fix(server): use preview path for person thumbnails from videos (#18419)

use preview path for person thumbnails from videos

server/src/services/media.service.spec.ts

@@ -941,6 +941,48 @@ describe(MediaService.name, () => {
       });
     });
 
+    it('should use preview path if video', async () => {
+      mocks.person.getDataForThumbnailGenerationJob.mockResolvedValue(personThumbnailStub.videoThumbnail);
+      mocks.media.generateThumbnail.mockResolvedValue();
+      const data = Buffer.from('');
+      const info = { width: 1000, height: 1000 } as OutputInfo;
+      mocks.media.decodeImage.mockResolvedValue({ data, info });
+
+      await expect(sut.handleGeneratePersonThumbnail({ id: personStub.primaryPerson.id })).resolves.toBe(
+        JobStatus.SUCCESS,
+      );
+
+      expect(mocks.person.getDataForThumbnailGenerationJob).toHaveBeenCalledWith(personStub.primaryPerson.id);
+      expect(mocks.storage.mkdirSync).toHaveBeenCalledWith('upload/thumbs/admin_id/pe/rs');
+      expect(mocks.media.decodeImage).toHaveBeenCalledWith(personThumbnailStub.newThumbnailMiddle.previewPath, {
+        colorspace: Colorspace.P3,
+        orientation: undefined,
+        processInvalidImages: false,
+      });
+      expect(mocks.media.generateThumbnail).toHaveBeenCalledWith(
+        data,
+        {
+          colorspace: Colorspace.P3,
+          format: ImageFormat.JPEG,
+          quality: 80,
+          crop: {
+            left: 238,
+            top: 163,
+            width: 274,
+            height: 274,
+          },
+          raw: info,
+          processInvalidImages: false,
+          size: 250,
+        },
+        'upload/thumbs/admin_id/pe/rs/person-1.jpeg',
+      );
+      expect(mocks.person.update).toHaveBeenCalledWith({
+        id: 'person-1',
+        thumbnailPath: 'upload/thumbs/admin_id/pe/rs/person-1.jpeg',
+      });
+    });
+
     it('should generate a thumbnail without going negative', async () => {
       mocks.person.getDataForThumbnailGenerationJob.mockResolvedValue(personThumbnailStub.newThumbnailStart);
       mocks.media.generateThumbnail.mockResolvedValue();